MBA Exam

three numbers are in the ratio of 3:4:5 and their L.C.M is 2400. THeir h.c.f is
a)40 b)80 c)120 d)200

Read Solution (Total 1)

a) 40
If the numbers are 3x, 4x and 5x
therefore their LCM = 60x.
So 60x= 2400 or x = 40.
The 3 numbers are 3*40, 4*40 and 5*40
So their H.C.F.=40
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